10
PROBLEM
CAUSE
ACTION REQUIRED
Spray Gun hums but
does not operate
Piston sticking (4)
Remove the large knob at the top of the unit. Pull Nozzle
and Piston Assembly down and back to release from main
gun assembly. Unscrew and remove Nozzle. Remove
Valve Assembly. Insert the metal punch, supplied in the
spares pack, into the front of the cylinder housing and
gently tap the punch to eject the seized piston. Clean and
lubricate piston and cylinder. Re-assemble carefully in
reverse order. Remember to replace the compression
spring onto the piston before fitting the piston. Ensure you
have not dropped any parts into main Spray Gun
assembly.
No suction feed
Liquid too thick
No Valve Assembly
(7)
Paint Suction Tube
and Filter Assembly
(5)
Thin liquid as recommended or contact paint manufacturer
Remove Nozzle, and insert Valve Assembly and refit
Nozzle
Clean filter
Spray Gun motor
operates, but nothing
comes out
Nozzle blocked part
(1/2)
Nozzle Valve
Assembly blocked
(7)
Clean thoroughly with thinners or if water based paint,
clean with water.
Clean thoroughly with thinners.
Spray Gun motor
operates but spluttering
Paint Container
almost empty
Spray Gun held at
wrong angle
Liquid too thick
Incorrectly set
regulation control
Incorrect Nozzle
fitted
Worn Nozzle (1/2)
Worn Valve
Assembly (7)
Refill Paint Container
Hold at correct angle
Thin liquid as recommended
Adjust regulator at back of Spray Gun
Replace Nozzle with other size
Replace Nozzle
Replace Valve Assembly
Paint dripping from
Nozzle
Nozzle loose
Spray Gun held
at more than 45˚
Tighten Nozzle
Keep Spray Gun upright
Excessive overspray
Pressure too high
Holding Spray Gun
too far from surface
Turn output knob clockwise to reduce pressure.
Hold Spray Gun about 25-30cm (10”-12”) from work
Runs and sags in paint Arm movement too
slow
Spray Gun too close
to work surface
Applying too much
paint in one go
See section on spraying. (See page 6 and 7).
TROUBLESHOOTING
Содержание ASG55
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